253286640

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1$

素因数の和:232

約数の個数: 240

約数和(自身を含む): 887502720

約数和(自身を除く): 634216080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 61, 72, 73, 79, 80, 90, 120, 122, 144, 146, 158, 180, 183, 219, 237, 240, 244, 292, 305, 316, 360, 365, 366, 395, 438, 474, 488, 549, 584, 610, 632, 657, 711, 720, 730, 732, 790, 876, 915, 948, 976, 1095, 1098, 1168, 1185, 1220, 1264, 1314, 1422, 1460, 1464, 1580, 1752, 1830, 1896, 2190, 2196, 2370, 2440, 2628, 2745, 2844, 2920, 2928, 3160, 3285, 3504, 3555, 3660, 3792, 4380, 4392, 4453, 4740, 4819, 4880, 5256, 5490, 5688, 5767, 5840, 6320, 6570, 7110, 7320, 8760, 8784, 8906, 9480, 9638, 10512, 10980, 11376, 11534, 13140, 13359, 14220, 14457, 14640, 17301, 17520, 17812, 18960, 19276, 21960, 22265, 23068, 24095, 26280, 26718, 28440, 28835, 28914, 34602, 35624, 38552, 40077, 43371, 43920, 44530, 46136, 48190, 51903, 52560, 53436, 56880, 57670, 57828, 66795, 69204, 71248, 72285, 77104, 80154, 86505, 86742, 89060, 92272, 96380, 103806, 106872, 115340, 115656, 133590, 138408, 144570, 160308, 173010, 173484, 178120, 192760, 200385, 207612, 213744, 216855, 230680, 231312, 259515, 267180, 276816, 289140, 320616, 346020, 346968, 351787, 356240, 385520, 400770, 415224, 433710, 461360, 519030, 534360, 578280, 641232, 692040, 693936, 703574, 801540, 830448, 867420, 1038060, 1055361, 1068720, 1156560, 1384080, 1407148, 1603080, 1734840, 1758935, 2076120, 2110722, 2814296, 3166083, 3206160, 3469680, 3517870, 4152240, 4221444, 5276805, 5628592, 6332166, 7035740, 8442888, 10553610, 12664332, 14071480, 15830415, 16885776, 21107220, 25328664, 28142960, 31660830, 42214440, 50657328, 63321660, 84428880, 126643320, 253286640]

約数ペア:

[(1, 253286640), (2, 126643320), (3, 84428880), (4, 63321660), (5, 50657328), (6, 42214440), (8, 31660830), (9, 28142960), (10, 25328664), (12, 21107220), (15, 16885776), (16, 15830415), (18, 14071480), (20, 12664332), (24, 10553610), (30, 8442888), (36, 7035740), (40, 6332166), (45, 5628592), (48, 5276805), (60, 4221444), (61, 4152240), (72, 3517870), (73, 3469680), (79, 3206160), (80, 3166083), (90, 2814296), (120, 2110722), (122, 2076120), (144, 1758935), (146, 1734840), (158, 1603080), (180, 1407148), (183, 1384080), (219, 1156560), (237, 1068720), (240, 1055361), (244, 1038060), (292, 867420), (305, 830448), (316, 801540), (360, 703574), (365, 693936), (366, 692040), (395, 641232), (438, 578280), (474, 534360), (488, 519030), (549, 461360), (584, 433710), (610, 415224), (632, 400770), (657, 385520), (711, 356240), (720, 351787), (730, 346968), (732, 346020), (790, 320616), (876, 289140), (915, 276816), (948, 267180), (976, 259515), (1095, 231312), (1098, 230680), (1168, 216855), (1185, 213744), (1220, 207612), (1264, 200385), (1314, 192760), (1422, 178120), (1460, 173484), (1464, 173010), (1580, 160308), (1752, 144570), (1830, 138408), (1896, 133590), (2190, 115656), (2196, 115340), (2370, 106872), (2440, 103806), (2628, 96380), (2745, 92272), (2844, 89060), (2920, 86742), (2928, 86505), (3160, 80154), (3285, 77104), (3504, 72285), (3555, 71248), (3660, 69204), (3792, 66795), (4380, 57828), (4392, 57670), (4453, 56880), (4740, 53436), (4819, 52560), (4880, 51903), (5256, 48190), (5490, 46136), (5688, 44530), (5767, 43920), (5840, 43371), (6320, 40077), (6570, 38552), (7110, 35624), (7320, 34602), (8760, 28914), (8784, 28835), (8906, 28440), (9480, 26718), (9638, 26280), (10512, 24095), (10980, 23068), (11376, 22265), (11534, 21960), (13140, 19276), (13359, 18960), (14220, 17812), (14457, 17520), (14640, 17301)]